Flange plate assembly and brake pedal with same

Abstract

The utility model discloses a flange plate assembly and a brake pedal with the flange plate assembly, the flange plate assembly comprises a flange plate main body, a spring seat, a push rod spring, a P piston assembly, an anti-rotation ring, an anti-rotation plastic shell and a sealing ring, the P piston assembly penetrates through the flange plate main body and is arranged in the flange plate main body, and the spring seat is sleeved on the P piston assembly; the anti-rotation ring is installed on the P piston assembly and located at the joint of the P piston assembly and the other end of the flange plate body, the anti-rotation plastic shell is installed on the anti-rotation ring and connected with the flange plate body, the P piston assembly is sleeved with the push rod spring, one end of the push rod spring abuts against the spring seat, and the other end of the push rod spring abuts against the spring seat. And the other end of the spring abuts against the anti-rotating ring. Due to the fact that the anti-rotation ring and the anti-rotation plastic shell are arranged on the P piston assembly, the condition that the P piston assembly rotates during axial movement can be effectively prevented, and the problem that metal impact sound occurs when a push rod spring returns can be effectively solved through the arrangement of the anti-rotation ring.

Description

Technical Field

[0001] The utility model relates to the field of brake systems, in particular to a flange assembly and a brake pedal having the same. Background Art

[0002] With the development of wire-controlled chassis, the application of wire-controlled brake systems has become more and more popular, and has gradually upgraded from TWOBOX to ONEBOX. The design requirements of the master cylinder cavity are becoming more and more numerous and complex. As the most important part of the master cylinder cavity, the flange assembly is also receiving more and more attention in the field of wire-controlled chassis. At present, the P piston assembly in the flange assembly on the market has no anti-rotation function and guiding function, the flange assembly has no installation positioning parts, and the spring return has no effective noise reduction measures. Utility Model Content

[0003] In view of this, the utility model provides a flange assembly and a brake pedal having the same. By arranging an anti-rotation ring and an anti-rotation plastic shell on the P piston assembly, the P piston assembly can be effectively prevented from rotating during axial movement. The setting of the anti-rotation ring can also effectively solve the problem of metal impact sound when the push rod spring returns.

[0004] The utility model provides a flange assembly, including a flange body, a spring seat, a push rod spring, a P piston assembly, an anti-rotation ring, an anti-rotation plastic shell, and a sealing ring. The P piston assembly passes through the flange body and is installed in the flange body. The spring seat is installed on the P piston assembly and is sealed and connected to one end of the flange body through the sealing ring. The anti-rotation ring is installed on the P piston assembly and is located at the connection between the P piston assembly and the other end of the flange body. The anti-rotation plastic shell is installed on the anti-rotation ring and connected to the flange body. The push rod spring is sleeved on the P piston assembly, one end of which abuts against the spring seat, and the other end abuts against the anti-rotation ring.

[0005] Furthermore, the P piston assembly includes a push rod, a push rod seat, and a P piston. The push rod seat is arranged inside the P piston. A push rod ball head is provided at one end of the push rod. A ball head groove is provided inside the push rod seat. The push rod is fixedly connected to the push rod seat through the cooperation of the push rod ball head and the ball head groove.

[0006] Furthermore, one end of the P piston extends to the outside of one end of the flange body, the other end of the P piston is connected to the other end of the flange body, the spring seat and the push rod spring are both installed on the P piston, and the anti-rotation ring is installed on the other end of the P piston.

[0007] Furthermore, the anti-rotation ring includes a metal frame and a rubber sleeve, the metal frame is installed on the P piston, the rubber sleeve is installed on the metal frame, and the metal frame and the rubber sleeve are connected by vulcanization.

[0008] Furthermore, a protruding structure is provided on the metal frame, a weight-reducing hole is provided on the protruding structure, the anti-rotation plastic shell is installed on the protruding structure, and the anti-rotation plastic shell is provided with a first weight-reducing groove.

[0009] Furthermore, a slide groove is provided on the inner wall of the flange body, the slide groove extends along the axial direction of the flange body, and the anti-rotation plastic shell is installed in the slide groove.

[0010] Furthermore, one end of the flange body is provided with a mounting groove for installing the sealing ring, the outer ring of the spring seat is provided with a mounting surface that fits the sealing ring, and the spring seat is sealed and connected to the flange body through the cooperation of the sealing ring, the mounting groove and the mounting surface.

[0011] Furthermore, a positioning pin is provided on an end surface of the spring seat away from one end of the push rod spring, and the positioning pin is symmetrically arranged on the end surface of the spring seat.

[0012] Furthermore, the flange body is provided with a plurality of mounting holes and a plurality of second weight-reducing grooves, the plurality of mounting holes are evenly distributed on an outer edge close to the flange body, and the plurality of second weight-reducing grooves are evenly distributed on an inner edge close to the flange body.

[0013] The utility model discloses a brake pedal, which comprises the flange assembly as described above.

[0014] Compared with the existing technology, the utility model has the following beneficial technical effects:

[0015] The utility model provides a flange assembly, which, by arranging an anti-rotation ring and an anti-rotation plastic shell on the P piston assembly, and the anti-rotation plastic shell is clamped with a slide groove on the flange body, can ensure that the P piston assembly can only move axially but not rotate during the activity; because the anti-rotation ring includes a metal skeleton and a rubber sleeve, the two are connected in a vulcanized form, and therefore, it can also avoid that the push rod spring directly contacts the flange body to generate noise when the push rod spring is compressed and rebounded; by arranging a locating pin on the spring seat, when the flange assembly is installed on the opponent, the installation accuracy of the flange assembly can be guaranteed; in addition, a first weight-reducing groove, a second weight-reducing groove, and a weight-reducing hole are also provided, so that the entire flange assembly is lighter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a flange assembly of the utility model;

[0017] Figure 2 It is a cross-sectional view of a flange assembly of the utility model;

[0018] Figure 3 It is a cross-sectional view of the P piston assembly in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the anti-rotation ring in the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the anti-rotation plastic shell in the utility model;

[0021] Figure 6 It is a structural schematic diagram of the flange body in the utility model;

[0022] Figure 7 It is a structural schematic diagram of the spring seat in the utility model.

[0023] Among them: 10-flange body; 11-slide groove; 12-installation groove; 13-installation hole; 14-second weight-reducing groove; 20-spring seat; 21-installation surface; 22-locating pin; 30-push rod spring; 40-P piston assembly; 41-push rod; 411-push rod ball head; 42-push rod seat; 421-ball head groove; 43-P piston; 50-anti-rotation ring; 51-metal skeleton; 52-rubber sleeve; 53-raised structure; 54-weight-reducing hole; 60-anti-rotation plastic shell; 61-first weight-reducing groove; 70-sealing ring. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0025] In the description of the present invention, it should be noted that the orientation or position relationship indicated in the description is based on the orientation or position relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred parts or elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] See also Figure 1-2The utility model provides a flange assembly, including a flange body 10, a spring seat 20, a push rod spring 30, a P piston assembly 40, an anti-rotation ring 50, and an anti-rotation plastic shell 60. The interior of the flange body 10 is hollow, the P piston assembly 40 passes through the flange body 10 and is installed in the flange body 10, the spring seat 20 is sleeved on the P piston assembly 40 and is sealed with one end of the flange body 10, the anti-rotation ring 50 is sleeved on the P piston assembly 40 and is located at the connection between the P piston assembly 40 and the other end of the flange body 10, the anti-rotation plastic shell 60 is installed on the anti-rotation ring 50 and connected to the flange body 10, the push rod spring 30 is sleeved on the P piston assembly 40, one end of which abuts against the spring seat 20, and the other end abuts against the anti-rotation ring 50. The utility model can effectively prevent the P piston assembly 40 from rotating during axial movement by arranging an anti-rotation ring 50 and an anti-rotation plastic shell 60 on the P piston assembly 40, and the arrangement of the anti-rotation ring 50 can also effectively solve the problem of metal impact sound when the push rod spring 30 returns.

[0027] Please also read Figure 3 The P piston assembly 40 includes a push rod 41, a push rod seat 42, and a P piston 43. The push rod seat 42 is arranged inside near one end of the P piston 43. One end of the push rod 41 passes through the other end of the P piston 43 and is riveted to the push rod seat 42 inside the P piston 43. Specifically, a push rod ball head 411 is provided at one end of the push rod 41, and a ball head groove 421 is provided inside the push rod seat 42. The push rod 41 is fixedly connected to the push rod seat 42 by riveting the push rod ball head 411 and the ball head groove 421 to form the P piston assembly 40.

[0028] Furthermore, one end of the P piston 43 extends to the outside of one end of the flange body 10, and the other end of the P piston 43 is connected to the other end of the flange body 10. The spring seat 20 and the push rod spring 30 are both mounted on the P piston 43. The anti-rotation ring 50 is mounted on the other end of the P piston 43 and is riveted to the P piston 43. The anti-rotation plastic shell 60 is installed on the anti-rotation ring 50 and is connected to the flange body 10. The anti-rotation plastic shell 60 can ensure that the P piston 43 only moves in the axial direction.

[0029] See also Figure 4-5 The anti-rotation ring 50 includes a metal frame 51 and a rubber sleeve 52. The metal frame 51 is sleeved on the other end of the P piston 43 and is riveted with the other end of the P piston 43. The rubber sleeve 52 is sleeved on the metal frame 51. The metal frame 51 and the rubber sleeve 52 are fixedly connected by vulcanization. Its function is to prevent the push rod spring 30 from directly contacting the flange body 10 to generate noise when the push rod spring 30 is compressed and rebounded.

[0030] Furthermore, a protruding structure 53 is provided on the metal skeleton 51 in the anti-rotation ring 50, and the anti-rotation plastic shell 60 is fixedly mounted on the protruding structure 53. The cooperation between the anti-rotation ring 50 and the anti-rotation plastic shell 60 can prevent the P piston 43 from rotating. A weight-reducing hole 54 is provided on the protruding structure 53, and a first weight-reducing groove 61 is provided on the anti-rotation plastic shell 60. The provision of the weight-reducing hole 54 and the first weight-reducing groove 61 can make the flange assembly lighter as a whole.

[0031] See also Figure 1 and Figure 6 A slide groove 11 is provided on the inner wall of the flange body 10, and the slide groove 11 extends along the axial direction of the flange body 10. The anti-rotation plastic shell 60 is installed in the slide groove 11. The slide groove 11 can ensure that the P piston 43 can only move axially along the slide groove 11 during the activity and cannot rotate. It can play a guiding role as well as an anti-rotation role.

[0032] Furthermore, the flange body 10 is provided with a plurality of mounting holes 13 and a plurality of second weight-reducing grooves 14, wherein the plurality of mounting holes 13 are evenly distributed on the outer edge close to the flange body 10, and the plurality of second weight-reducing grooves 14 are evenly distributed on the inner edge close to the flange body 10. The mounting holes 13 are provided for fixing the flange body 10 with other components, and the second weight-reducing grooves 14 are provided for lightweighting the flange assembly while ensuring the strength of the flange assembly. Of course, the lightweighting treatment includes but is not limited to providing a plurality of second weight-reducing grooves 14 on the flange body 10.

[0033] Please refer to 7. One end of the flange body 10 is provided with a mounting groove 12 for mounting the sealing ring 70. The outer ring of the spring seat 20 is provided with a mounting surface 21 that fits the sealing ring 70. The spring seat 20 is sealed and connected to the flange body 10 through the cooperation between the sealing ring 70, the mounting groove 12, and the mounting surface 21. The setting of the mounting groove 12 and the mounting surface can ensure the stability of the installation of the sealing ring 70. The spring seat 20 is interference fit with one end of the flange body 10, and the interference force is greater than the compression force of the push rod spring 30 to prevent the push rod spring 30 from collapsing. It should be noted that, under the condition of ensuring assembly and matching clearance, the position of the matching mounting surface of the flange body 10 and the spring seat 20 with the sealing ring 70 must be machined to ensure that the roughness is within a reasonable range to avoid scratching the sealing ring 70 and causing leakage.

[0034] Furthermore, a locating pin 22 is provided on one end face of the spring seat 20 away from the push rod spring 30, and the locating pin 22 is symmetrically arranged on the end face of the spring seat 20. At least two locating pins 22 are provided, and when the flange assembly is installed on the counterpart, the locating pins 22 on the spring seat 20 are required to ensure the installation position size and improve the installation accuracy.

[0035] When installing the flange assembly provided by the utility model, firstly, the push rod ball head 411 on the push rod 41 and the ball head groove 421 on the push rod seat 42 are riveted to form the P piston assembly 40, and then the anti-rotation ring 50 and the other end of the P piston 43 are riveted, and then the anti-rotation plastic shell 60 is installed on the anti-rotation ring 50, and then the P piston assembly 40 is installed into the flange body 10, so that the anti-rotation plastic shell 60 is located in the slide groove 11 on the flange body 10, and then the push rod spring 30 is inserted, and then the spring seat 20 is pressed into one end of the flange body 10 to fix the P piston assembly 40 and the push rod spring 30, and finally the sealing ring 70 is installed to ensure the sealing, and the installation is completed.

[0036] From the above description, it can be known that the flange assembly provided by the utility model, by arranging an anti-rotation ring 50 and an anti-rotation plastic shell 60 on the P piston assembly 40, the anti-rotation plastic shell 60 is engaged with the slide groove 11 on the flange body 10, which can ensure that the P piston assembly 40 can only move axially during the activity and cannot rotate. Since the anti-rotation ring 50 includes a metal skeleton 51 and a rubber sleeve 52, the two are connected in a vulcanized form. Therefore, it can also avoid that the push rod spring 30 is in direct contact with the flange body 10 to generate noise when the push rod spring 30 is compressed and rebounded; by arranging a locating pin 11 on the spring seat 20, when the flange assembly is installed on the opponent, the installation accuracy of the flange assembly can be guaranteed; in addition, a first weight-reducing groove 61, a second weight-reducing groove 14, and a weight-reducing hole 54 are also provided to make the entire flange assembly lighter.

[0037] The utility model also provides a brake pedal, including the flange assembly as described above. For other technical features of the brake pedal, please refer to the prior art and will not be described in detail here.

[0038] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of equivalent changes using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A flange assembly, characterized in that: The invention comprises a flange body (10), a spring seat (20), a push rod spring (30), a P piston assembly (40), an anti-rotation ring (50), an anti-rotation plastic shell (60), and a sealing ring (70). The P piston assembly (40) passes through the flange body (10) and is installed in the flange body (10). The spring seat (20) is installed on the P piston assembly (40) and is sealed and connected to one end of the flange body (10) through the sealing ring (70). The anti-rotation ring (50) is installed on the P piston assembly (40) and is located at the connection between the P piston assembly (40) and the other end of the flange body (10). The anti-rotation plastic shell (60) is installed on the anti-rotation ring (50) and is connected to the flange body (10). The push rod spring (30) is sleeved on the P piston assembly (40), one end of which abuts against the spring seat (20) and the other end abuts against the anti-rotation ring (50).

2. The flange assembly according to claim 1, characterized in that: The P piston assembly (40) includes a push rod (41), a push rod seat (42), and a P piston (43). The push rod seat (42) is arranged inside the P piston (43). One end of the push rod (41) is provided with a push rod ball head (411), and the push rod seat (42) is provided with a ball head groove (421). The push rod (41) is fixedly connected to the push rod seat (42) through the cooperation of the push rod ball head (411) and the ball head groove (421).

3. The flange assembly according to claim 2, characterized in that: One end of the P piston (43) extends to the outside of one end of the flange body (10), and the other end of the P piston (43) is connected to the other end of the flange body (10). The spring seat (20) and the push rod spring (30) are both installed on the P piston (43), and the anti-rotation ring (50) is installed on the other end of the P piston (43).

4. The flange assembly according to claim 2, characterized in that: The anti-rotation ring (50) comprises a metal frame (51) and a rubber sleeve (52); the metal frame (51) is mounted on the P piston (43), and the rubber sleeve (52) is mounted on the metal frame (51).

5. The flange assembly according to claim 4, characterized in that: The metal frame (51) is provided with a protruding structure (53), the anti-rotation plastic shell (60) is installed on the protruding structure (53), the protruding structure (53) is provided with a weight-reducing hole (54), and the anti-rotation plastic shell (60) is provided with a first weight-reducing groove (61).

6. The flange assembly according to claim 1, characterized in that: A slide groove (11) is provided on the inner wall of the flange body (10), the slide groove (11) extends along the axial direction of the flange body (10), and the anti-rotation plastic shell (60) is installed in the slide groove (11).

7. The flange assembly according to claim 1, characterized in that: One end of the flange body (10) is provided with a mounting groove (12) for mounting the sealing ring (70); the outer ring of the spring seat (20) is provided with a mounting surface (21) that fits the sealing ring (70); the spring seat (20) is sealed and connected to one end of the flange body (10) through the cooperation between the sealing ring (70), the mounting groove (12) and the mounting surface (21).

8. The flange assembly according to claim 1, characterized in that: A positioning pin (22) is provided on the end surface of the spring seat (20) away from the push rod spring (30), and the positioning pin (22) is symmetrically arranged on the end surface of the spring seat (20).

9. The flange assembly according to claim 1, characterized in that: The flange body (10) is provided with a plurality of mounting holes (13) and a plurality of second weight-reducing grooves (14); the plurality of mounting holes (13) are evenly distributed on an outer edge close to the flange body (10); and the plurality of second weight-reducing grooves (14) are evenly distributed on an inner edge close to the flange body (10).

10. A brake pedal, characterized in that: Comprising a flange assembly as described in any one of claims 1-9.

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